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////////////////////////////////////////////////////////////////////
//
// Integer operate instructions
//
output header {{
/**
* Base class for integer operations.
*/
class IntegerOp : public SparcStaticInst
{
protected:
// Constructor
IntegerOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
SparcStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc,
const SymbolTable *symtab) const;
};
}};
output decoder {{
std::string IntegerOp::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
return "Integer instruction\n";
}
}};
def template IntegerExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault;
//These are set to constants when the execute method
//is generated
bool useCc = ;
%(op_decl)s;
%(op_rd)s;
%(code)s;
//Write the resulting state to the execution context
if(fault == NoFault)
{
%(op_wb)s;
if(useCc)
{
CcrIccN = Rd & (1 << 63);
CcrIccZ = (Rd == 0);
CcrIccV = ivValue;
CcrIccC = icValue;
CcrXccN = Rd & (1 << 31);
CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
CcrXccV = xvValue;
CcrXccC = xcValue;
}
}
return fault;
}
}};
// Primary format for integer operate instructions:
def format IntegerOp(code, *opt_flags) {{
orig_code = code
cblk = CodeBlock(code)
for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
('xvValue', '0'), ('xcValue', '0')):
code.replace(marker, value)
iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = IntegerExecute.subst(iop)
}};
// Primary format for integer operate instructions:
def format IntegerOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
orig_code = code
cblk = CodeBlock(code)
for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
('xvValue', xvValue), ('xcValue', xcValue)):
code.replace(marker, value)
iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
exec_output = IntegerExecute.subst(iop)
}};
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